body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background-color: #cccccc;
  color: #222;
}

.header-content {
  text-align: center;
  background-color: #222;
  color: white;
  padding: 1em 0;
}

.header-title {
  font-size: 2.5em;
  margin-bottom: 0.5em;
}

.header-image {
  width: 600px;
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border:none;
  border-radius: 12px;
  box-shadow: none;
  opacity: 0.9;
}

nav {
  background-color: #333;
  text-align: center;
}

nav ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

nav ul li {
  margin: 0 15px;
}

nav ul li a {
  color: white;
  text-decoration: none;
  padding: 0.75em 1em;
  display: block;
}

nav ul li a:hover {
  background-color: #555;
}

section {
  padding: 2em;
  max-width: 600px;
  margin: auto;
  background-color: #e0e0e0;
  margin-bottom: 2em;
}

footer {
  text-align: center;
  padding: 1em;
  background-color: #333;
  color: white;
}